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Bedrock · Grades 1–3 Keystones #1 28 June 2021
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Keystones — Bedrock

Five GCSE retrieval questions · 28 June 2021 · mathsvault.uk/keystones

  1. 1. Number

    Simplify: 24 × 22

    Answer: 26
  2. 2. Algebra

    Factorise: 15x + 10

    Answer: 5(3x + 2)
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 15:30

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 3, 4, 16, 3

    Answer: 6.5

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